ASX420_17 Datasheet, PDF (7/14 Pages) Advanced Semiconductor Business Inc. – 250 ~ 3500 MHz MMIC Amplifier

APPLICATION CIRCUIT
RFID (USA)
902 ~ 928 MHz
+5 V
ASX420
250 ~ 3500 MHz MMIC Amplifier
Country
EU ²⁾
Frequency (MHz) 865.6 ~ 867.6
Magnitude S21 (dB) 32.0
Magnitude S11 (dB) -15
Magnitude S22 (dB) -8
Output P1dB (dBm) 29.5
Output IP3¹⁾ (dBm) 47
Noise Figure (dB) 7.5
Device Voltage (V) +5
Current (mA)
370
USA
902 ~ 928
32.0
-15
-9
29.5
47
7.0
+5
370
Korea ²⁾
910 ~ 914
31.5
-15
-7
29.5
47
7.0
+5
370
Japan ²⁾
950 ~ 956
31.0
-15
-8
29.5
47
7.0
+5
370
1) OIP3 is measured with two tones at an output power of +12 dBm/tone separated by 1 MHz.
2) Test Results are measured by CDMA Tx (EU), GSM Rx (Korea), GSM Tx (Japan) Application cir-
cuits.
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
R1=3 
C8=1 F
C7=100pF
RF IN
C4=100 pF
L2=82 nH
1.5 mm ASX420
C1=100 pF
C6=1 F
C5=100pF
L1=82 nH
(Coil Inductor)
C2=100 pF _{RF OUT}
8 mm
C3=5.6 pF
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters & K-factor
40
35
30
25
20
15
10
600
700
800
900
1000
1100
1200
Frequency (MHz)
10
0
-5
-10
-15
-20
-25
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
5
4
0
3
-5
2
-10
1
7/14
-15
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
ASB Inc.  [e-mail]  Tel: [phone]
February 2017